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Leap Year Checker

Check whether any year is a leap year.

How to use the Leap Year Checker

  1. Enter or paste your input in the tool above.
  2. The result updates instantly. Click the button where one is shown.
  3. Copy the result and use it anywhere.

About this leap year checker

This free online leap year checker helps you with leap year checker quickly and accurately. It works on mobile and desktop, needs no sign-up and processes everything locally in your browser.

Frequently asked questions

Is the Leap Year Checker free?

Yes. The leap year checker is 100% free with no sign-up, limits or watermarks.

Is my data safe when I use the leap year checker?

Yes. Everything runs in your browser. Your input is never uploaded to a server or stored.

What is a leap year?

A year divisible by 4, except century years not divisible by 400.

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